This delightful hardcover book, titled "I Completely Know about Guinea Pigs" by Lauren Child, is a must-have for any young reader interested in humorous stories about animals. The book is part of the Charlie and Lola series, published by Dial Books in 2008 by Penguin Young Readers Group. With 32 pages filled with charming illustrations and an engaging storyline, this book is perfect for children who love to learn about animals, especially guinea pigs. The book measures 10.8 inches in length, 9.7 inches in width, and 0.4 inches in height, and weighs 15.4 ounces. It is a great addition to any child's book collection, and is sure to provide hours of entertainment and education.